<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>冒泡排序</title>
</head>
<body>
    <script>
        let arr = [1, 5, 6, 10, 2, 3, 4, 9, 8,7];
        for (let i = 0; i < arr.length-1; i++) {
            for (let j = 0; j < arr.length-i-1; j++) {
                if (arr[j] < arr[j + 1]) {
                    let t= arr[j];
                    arr[j] = arr[j + 1];
                    arr[j + 1] = t;
                }
            }
        }
        console.log(arr)
    </script>
</body>
</html>
  